CN212742522U

CN212742522U - Barb anchor

Info

Publication number: CN212742522U
Application number: CN202022217068.9U
Authority: CN
Inventors: 程德东
Original assignee: Suzhou Liji Environmental Protection Technology Co ltd
Current assignee: Suzhou Liji Environmental Protection Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-03-19
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to a barb anchor, including anchor block, thorn body, bloated pressure bolt and fastening unit, anchor block, thorn body, bloated pressure bolt cover in proper order are located fastening unit, wherein: the anchor seat is abutted with the surface opposite to the fastening unit; the thorn body is provided with a plurality of expansion bodies distributed along the circumferential direction of the anchor seat, the expansion bodies are connected to the anchor seat in a deflecting way, the end surface far away from the anchor seat is a first inclined surface, and the height of the first inclined surface far away from the fastening unit in the direction vertical to the anchor seat is greater than the height of the first inclined surface close to the fastening unit; the expansion and compression bolt is arranged on the thorn body, the end surface close to the thorn body is a second inclined surface, the second inclined surface is parallel to the first inclined surface, and the height of the second inclined surface far away from the fastening unit in the direction perpendicular to the anchor seat is greater than the height of the second inclined surface close to the fastening unit; can produce great withdrawal resistance, second inclined plane and first inclined plane parallel arrangement to make the relative anchor block's of inflation body the process of deflecting comparatively stable, avoid the barb anchor to take place to warp, improve overall structure's product yield.

Description

Barb anchor

Technical Field

The utility model relates to a foundation engineering technical field especially relates to a barb anchor.

Background

In the technical field of foundation engineering, the uplift resistance is an important index for measuring the performance of various structural foundations, and the earthed structural foundation has the characteristics of resisting the uplift force by depending on the self gravity and changing the uplift resistance by controlling the self weight, so that the uplift resistance is widely applied to agricultural facilities, photovoltaic power generation, electric power and communication iron towers and municipal engineering.

At present, in order to improve the stability of each device on the ground, the uplift resistance of the embedded structure foundation is improved in a first mode, the self weight of the embedded structure foundation is improved by increasing the using amount of different structural members, the uplift resistance is improved if the embedded structure foundation with the first concrete is provided with the first concrete by increasing the using amount of the first concrete, and the volume of the first concrete is 50m³-80m³However, the foundation of the soil-entering structure prepared by the method has heavy weight, the field excavation, the reinforcement binding and the formwork erecting and concrete pouring are carried out within at least one week, the tower erecting line can be formed only by maintaining the concrete to a certain strength, the whole construction period at least needs 29 days, the foundation of the soil-entering structure can be embedded into the soil only by adopting heavy equipment during construction, the installation is inconvenient, and the quality control cannot be guaranteed; and secondly, the foundation of the soil-entering structure is an expansion pile, the expansion pile is provided with a pile body, a bearing plate and an expansion bolt, the pile body and the expansion bolt are inserted into the soil, the bearing plate is placed on the surface of the soil, the expansion bolt moves towards the bearing plate through the action of external force, the expansion bolt of the conical structure is in contact with the pile body and generates outward extrusion force, the expansion bolt pushes against the pile body to open outwards in the soil so as to compress the soil between the bearing plate and the pile body, the effect of an expansion bolt is formed, and then greater uplift resistance is generated.

Therefore, it is very important to provide an embedded structure foundation with large pulling resistance, convenient construction and stable structure.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need to provide a barb anchor which has a large pulling resistance, a stable structure, a simple construction method, and a convenient construction.

The utility model provides a barb anchor, press bolt and fastening unit including anchor block, thorn body, inflation, the anchor block the thorn body the inflation is pressed the bolt and is located in proper order the fastening unit, wherein:

the anchor seat is abutted with the surface opposite to the fastening unit;

the thorn body is provided with a plurality of expansion bodies distributed along the circumferential direction of the anchor seat, the expansion bodies are connected to the anchor seat in a deflecting mode, the end face far away from the anchor seat is a first inclined face, and the height of the first inclined face far away from the fastening unit in the direction perpendicular to the anchor seat is larger than the height of the first inclined face close to the fastening unit;

the expansion and compression bolt is arranged on the thorn body, the end face close to the thorn body is a second inclined face, the second inclined face is parallel to the first inclined face, and the height of the second inclined face far away from the fastening unit is larger than the height of the fastening unit close to the fastening unit in the direction perpendicular to the anchor seat.

The barb anchor, the anchor seat, the thorn body and the expansion and compression bolt are sequentially placed in a soil drill hole, a plurality of expansion bodies are distributed along the circumferential direction of the anchor seat at the moment, the expansion and compression bolt is static under the action of external force, the fastening unit moves upwards and drives the anchor seat to move upwards, the thorn body positioned between the anchor seat and the expansion and compression bolt has the tendency of moving upwards, the thorn body and the expansion and compression bolt are contacted and generate outward extrusion force, the first inclined plane slides relative to the second inclined plane, the expansion bodies are connected to the anchor seat in a deflecting mode and expand outwards in soil under the action of the expansion and compression bolt, and the soil above the expansion bodies is compressed and generates larger uplift resistance as the height of the first inclined plane and the second inclined plane far away from the fastening unit is larger than the height of the expansion and compression bolt close to the fastening unit in the direction perpendicular to the anchor seat; the second inclined plane is parallel to the first inclined plane, so that the first inclined plane can conveniently slide relative to the second inclined plane, the deflection process of the expansion body relative to the anchor seat is stable, the expansion body is prevented from being bent when being opened outwards, the barb anchor is uniformly stressed, the barb anchor is prevented from being inclined, the product yield of the whole structure is improved, and the stability of an upper structure foundation connected with the barb anchor is ensured; compared with the existing foundation of the soil-entering structure, the weight is small, the installation can be carried out without using heavy equipment, and the installation is convenient and fast.

In one embodiment, the fastening unit comprises a base plate, an anchor cable bundle having at least one anchor cable, and a fastening bolt, wherein:

one end of the anchor cable bundle is fixedly connected with the bottom plate, and the other end of the anchor cable bundle is connected with the fastening bolt;

the anchor block is sleeved on the outer side of the anchor cable bundle and is abutted to the bottom plate.

Above-mentioned barb anchor is restrainted and fastening bolt including the anchor rope that bottom plate, have at least one anchor rope through injecing fastening element to realize the tensioning effect through simple structure, and make fastening bolt, the superstructure basis that links to each other with the barb anchor can not take place to incline or produce the displacement when the expansion body asymmetry opens probably appear through flexible anchor rope, improve overall structure's stability. In one embodiment, the anchor comprises a plastic sleeve, a plurality of first rebars, and a first concrete, wherein:

the first reinforcing steel bars are arranged in the plastic sleeve along the circumferential direction and extend out of the plastic sleeve, and one end, extending out of the plastic sleeve, of each first reinforcing steel bar is connected with the expansion body;

the first concrete is poured into the plastic sleeve, a first step through hole with an axis parallel to the first steel bar is formed in the plastic sleeve, the anchor cable bundle penetrates through the first step through hole, and the bottom plate is connected with the first step through hole in a clamped mode.

Above-mentioned barb anchor through setting up the structure form into plastic sleeve, a plurality of first reinforcing bar and first concrete with the anchorage bar to inject anchor rope and restraint and run through first ladder through-hole, bottom plate and first ladder through-hole joint, so that the simple structure of anchorage bar, and the relative fastening unit's of the anchorage bar cover of being convenient for is established.

In one embodiment, the anchor block further comprises a fastening ring disposed within the plastic sleeve and located outside the first plurality of rebars.

Above-mentioned barb anchor through setting up the tighrening ring in that the plastics sleeve is inside to inject the tighrening ring and be located the outside of a plurality of first reinforcing bars, have the fastening and prevent the effect that expands, jump out from the plastics sleeve when deflecting with avoiding first reinforcing bar, avoid the anchorage ground impaired, improve the stability of structure.

In one embodiment, the expansion body comprises a sleeve, a second concrete, wherein:

the sleeve is sleeved outside one end, extending out of the plastic sleeve, of at least one first steel bar;

the second concrete is poured into the casing.

Above-mentioned barb anchor is established to the cover through the expansion body and is established to the sleeve pipe in the outside of at least one first reinforcing bar outstretched plastic sleeve one end to pour into the second concrete in the sleeve pipe, so that the contact of the expansion body and the expansion bolt and when producing outside extrusion force, the telescopic one end of the first reinforcing bar outstretched plastic sleeve drives second concrete and sleeve pipe and outwards opens in soil, simple structure, and can reduce the expansion body and take place the emergence of this condition of buckling when outwards opening.

In one embodiment, the sleeve is a rectangular steel pipe, a triangular steel pipe or an angle steel combination, but the structural form of the sleeve is not limited to this, and other structural forms capable of meeting the requirements can be adopted.

In one embodiment, the outer side of the sleeve facing away from the first steel bar is coated with a polymer corrosion protection layer.

Above-mentioned barb anchor deviates from the outside coating of first reinforcing bar through injecing the sleeve pipe and has the polymer anticorrosive coating, improves anticorrosive effect, and then makes the feature of environmental protection better.

In one embodiment, the expansion body further comprises an anticorrosion hose, the anticorrosion hose is sleeved outside the first steel bar, one end of the anticorrosion hose is fixed in the first concrete, and the other end of the anticorrosion hose is fixed in the second concrete.

Above-mentioned barb anchor sets up anticorrosive hose through the part that exposes in soil at first reinforcing bar to improve anticorrosive effect, and then make the feature of environmental protection better.

In one embodiment, the cross section of the thorn body along the direction parallel to the anchor seat is quadrilateral, hexagonal or octagonal, the plurality of expansion bodies are distributed along the side length of the quadrilateral, the hexagonal or the octagonal and are arranged around the fastening unit, and the adjacent expansion bodies are arranged at intervals.

In one embodiment, the expansion-compression bolt includes a plurality of second reinforcing bars, a third reinforcing bar disposed around the second reinforcing bars, and a third concrete poured outside the second reinforcing bars and the third reinforcing bars and formed with second through holes for the fastening units to pass through.

Above-mentioned barb anchor sets up the structural style for a plurality of second reinforcing bars, third reinforcing bar and third concrete through tying the swelling to realize the swelling effect through simple structure, certainly, the structural style of tying is not restricted to this to the swelling, still can be for other structural styles that can satisfy the requirement.

Drawings

Fig. 1 is a schematic structural view of a barbed anchor according to the present invention;

fig. 2 is a schematic view of the installation of a barbed anchor to a superstructure foundation according to the present invention;

FIG. 3 is a cross-sectional view taken at location A-A of FIG. 1;

FIG. 4 is a cross-sectional view taken at location B-B of FIG. 1;

FIG. 5 is another cross-sectional view taken at location B-B of FIG. 1;

FIG. 6 is a further cross-sectional view taken at location B-B of FIG. 1;

fig. 7 is a cross-sectional view at the position C-C in fig. 1.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical solution provided by the embodiments of the present invention is described below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model provides a barb anchor 10, is applied to soil 20 ground treatment, including four bibliographic categories of anchorage 100, thorn body 200, bloated pressure bolt 300 and fastening unit 400, wherein:

the anchor seat 100 is sleeved on the fastening unit 400, and the anchor seat 100 abuts against the opposite surface of the fastening unit 400; in particular arrangements, the fastening unit 400 extends through the anchor 100, the anchor 100 is located at one end of the fastening unit 400, and the anchor 100 abuts against the opposite surface of the fastening unit 400, such that the anchor 100 is movable with the fastening unit 400; of course, the connection relationship between the anchorage 100 and the fastening unit 400 is not limited to the above-described form, and the anchorage 100 may be fixed to one end of the fastening unit 400, for example, the anchorage 100 and one end of the fastening unit 400 may be of an integral structure.

The stabbing body 200 is sleeved on the fastening unit 400, the stabbing body 200 is located above the anchor base 100, the stabbing body 200 is provided with a plurality of expansion bodies 210, the expansion bodies 210 are distributed along the circumferential direction of the anchor base 100, each expansion body 210 is connected to the anchor base 100 in a deflectable manner, the end surface of each expansion body 210, far away from the anchor base 100, is a first inclined surface 211, and the height, far away from the fastening unit 400, of the first inclined surface 211 in the direction perpendicular to the anchor base 100 is greater than the height, close to the fastening unit 400, of the first inclined surface 211; in a specific arrangement, the fastening unit 400 penetrates through the thorn body 200, the thorn body 200 is located above the anchor base 100, and a certain gap is formed between the thorn body 200 and the anchor base 100, so that the thorn body 200 can deflect relative to the anchor base 100, the number of the expansion bodies 210 can be two, three, four or more, a plurality of the expansion bodies 210 are uniformly distributed along the circumferential direction of the anchor base 100, for example, two, three or four expansion bodies 210 are uniformly distributed along the circumferential direction of the anchor base 100, so that the thorn body 200 is uniformly stressed, each expansion body 210 is connected with the anchor base 100, and each expansion body 210 can deflect relative to the anchor base 100, and by limiting that the height of the first inclined plane 211 far away from the fastening unit 400 in the direction perpendicular to the anchor base 100 is greater than the height of the first inclined plane 211 close to the fastening unit 400, so that the opening of the thorn body 200 gradually increases in the direction close to the soil 20, so that when the thorn body 200 exerts outward force, inflation body 210 will expand outwardly.

The expansion-compression bolt 300 is sleeved on the fastening unit 400, the expansion-compression bolt 300 is arranged on the thorn body 200, the end surface of the expansion-compression bolt 300 close to the thorn body 200 is a second inclined surface 310, the second inclined surface 310 is arranged in parallel with the first inclined surface 211, and the height of the second inclined surface 310 far away from the fastening unit 400 in the direction perpendicular to the anchor seat 100 is greater than the height of the second inclined surface 310 close to the fastening unit 400; in a specific arrangement, the fastening unit 400 penetrates through the expansion-compression bolt 300, the expansion-compression bolt 300 is directly placed above the puncture body 200, the second inclined plane 310 and the first inclined plane 211 are defined to be arranged in parallel, so that the expansion-compression bolt 300 is in surface contact with the puncture body 200, the acting force between the expansion-compression bolt 300 and the puncture body 200 is uniformly distributed, the height of the second inclined plane 310 far away from the fastening unit 400 is greater than the height of the second inclined plane 310 close to the fastening unit 400 in the direction perpendicular to the anchor seat 100, so that the sectional area of the expansion-compression bolt 300 is gradually increased along the direction close to the soil 20, and the outward expansion of the expansion body 210 is realized.

The barb anchor 10, the anchor block 100, the stabbing body 200 and the expansion-compression bolt 300 are sequentially placed in the drilled hole 21 of the soil 20, at the moment, a plurality of expansion bodies 210 are distributed along the circumferential direction of the anchor block 100, the expansion-compression bolt 300 is static under the action of external force, the fastening unit 400 moves upwards and drives the anchor block 100 to move upwards, the stabbing body 200 between the anchor block 100 and the expansion-compression bolt 300 has the tendency of moving upwards, the stabbing body 200 is in contact with the expansion-compression bolt 300 and generates outward pressing force, the first inclined surface 211 slides relative to the second inclined surface 310, the expansion bodies 210 are connected to the anchor block 100 in a deflecting mode, the expansion bodies 210 are expanded outwards in the soil 20 under the action of the expansion-compression bolt 300, and the soil 20 above the expansion bodies 210 is compressed and generates large pulling resistance because the height of the first inclined surface 211 and the second inclined surface 310 far away from the fastening unit 400 is larger than the height close to the fastening unit 400 in the direction perpendicular to the anchor block 100; the second inclined plane 310 and the first inclined plane 211 are arranged in parallel, so that the first inclined plane 211 can conveniently slide relative to the second inclined plane 310, the deflection process of the expansion body 210 relative to the anchor seat 100 is stable, the expansion body 210 is prevented from being bent when being opened outwards, the stress of the barb anchor 10 is uniform, the barb anchor 10 is prevented from being inclined, the product yield of the whole structure is improved, and the stability of the upper structure foundation 30 connected with the barb anchor 10 is ensured; compared with the existing foundation of the soil-entering structure, the weight is small, the installation can be carried out without using heavy equipment, and the installation is convenient and fast.

The fastening unit 400 has various structural forms, and in a preferred embodiment, as shown in fig. 1, the fastening unit 400 includes a base plate 410, an anchor cable bundle 420, and a fastening bolt 430, the anchor cable bundle 420 having at least one anchor cable 421, wherein:

one end of the anchor cable bundle 420 is fixedly connected with the base plate 410, and the other end of the anchor cable bundle 420 is connected with the fastening bolt 430; when the anchor cable bundle 420 and the bottom plate 410 are specifically arranged, the anchor cable bundle 420 and the bottom plate 410 may be fixedly connected in a physical connection manner such as welding, cementing, and the like, the anchor cable bundle 420 and the bottom plate 410 may be fixedly connected in a mechanical connection manner such as fastening connection, threaded connection, and the like, similarly, the anchor cable bundle 420 and the fastening bolt 430 may be fixedly connected in a physical connection manner such as welding, cementing, and the like, and the anchor cable bundle 420 and the fastening bolt 430 may be fixedly connected in a mechanical connection manner such as fastening connection, threaded connection, and the like, and certainly, the fixed connection manner between the anchor cable bundle 420 and the bottom plate 410 and the fastening bolt 430 is not.

The anchor seat 100 is sleeved outside the anchor cable bundle 420, and the anchor seat 100 is abutted to the bottom plate 410; in the specific setting, one end of the anchor cable bundle 420 is fixedly connected to the bottom plate 410, and then the anchor holder 100, the thorn body 200 and the expansion-compression bolt 300 are sequentially arranged on the bottom plate 410, at this time, the anchor holder 100 abuts against the bottom plate 410, and then the other end of the anchor cable bundle 420 is connected to the fastening bolt 430, so that the anchor holder 100, the thorn body 200, the expansion-compression bolt 300 and the fastening unit 400 are connected into a whole.

The barb anchor 10 comprises a base plate 410, an anchor cable bundle 420 with at least one anchor cable 421 and a fastening bolt 430 by limiting the fastening unit 400, the fastening bolt 430 is moved to drive the anchor cable bundle 420 and the base plate 410 to move, so that the anchor seat 100 and the barb body 200 on the base plate 410 move along with the anchor seat, an acting force is generated between the barb body 200 and the expansion bolt 300, the expansion body 210 expands outwards, a tensioning effect is achieved through a simple structure, and a certain bending deformation can occur through the flexible structure of the anchor cable 421, so that the fastening bolt 430 and the upper structure foundation 30 connected with the barb anchor 10 cannot incline or generate displacement when the expansion body 210 is asymmetrically expanded, and the stability of the whole structure is improved. When the concrete setting is performed, the number of the anchor cables 421 in the anchor cable bundle 420 may be one, two, three, four, or more than four, the anchor cables 421 may be prestressed steel strands or carbon fiber composite insulating high-strength materials, for example, the anchor cables 421 may be carbon fiber ropes, nylon ropes, polyester ropes, or the like, the prestress of the anchor cables 421 is not less than 1000KN, for example, the prestress of the anchor cables 421 may be 1000KN, 1300KN, 1500KN, and the concrete material and prestress of the anchor cables 421 are determined according to the actual condition of the barbed anchor 10; the structural form of the fastening unit 400 is not limited to the above structure, and may be other structural forms meeting the requirements, for example, the anchor base 100 and the bottom plate 410 may be an integral structure, and for example, the anchor cable bundle 420 may be directly embedded in the anchor base 100, and the bottom plate 410 is omitted, and the specific structural form of the fastening unit 400 is determined according to the actual situation of the barbed anchor 10.

The anchor 100 has various structural forms, and specifically, as shown in fig. 1 and 3, the anchor 100 includes a plastic sleeve 110, a plurality of first reinforcing bars 120, and a first concrete 130, wherein:

the plurality of first reinforcing steel bars 120 are circumferentially arranged in the plastic sleeve 110, and the plurality of first reinforcing steel bars 120 extend out of the plastic sleeve 110, and one end of the first reinforcing steel bar 120 extending out of the plastic sleeve 110 is connected with the expansion body 210; when the puncture body 200 is specifically arranged, the number of the first steel bars 120 may be two, three, four, five or more than five, the expansion body 210 is connected with the anchor base 100 through the first steel bars 120, the plurality of first steel bars 120 are uniformly arranged in the plastic sleeve 110 along the circumferential direction of the plastic sleeve 110, and the expansion bodies 210 are uniformly distributed, so that the puncture body 200 is uniformly stressed.

The first concrete 130 is poured into the plastic sleeve 110, a first step through hole 131 with an axis parallel to the first steel bar 120 is formed in the first concrete 130, the anchor cable bundle 420 penetrates through the first step through hole 131, and the bottom plate 410 is clamped with the first step through hole 131; when the concrete installation is carried out, the first stepped through hole 131 penetrates through the first concrete 130, the axis of the first stepped through hole 131 is parallel to the first steel bar 120, the anchor cable bundle 420 penetrates through the first stepped through hole 131, and the bottom plate 410 is clamped with the first stepped through hole 131 to realize the relative fixation among the anchor cable bundle 420, the bottom plate 410 and the anchor seat 100, of course, in order to realize that the anchor cable bundle 420 penetrates through the anchor seat 100, the first stepped through hole 131 is not limited to be formed inside the first concrete 130, and other structural forms are also possible, for example, a through hole is formed inside the first concrete 130, the area of the through hole is smaller than that of the bottom plate 410, and the bottom plate 410 is directly abutted against the surface of the first concrete 130, which is away from the thorn body 200.

Above-mentioned barb anchor 10, through setting up anchor block 100 into plastic sleeve 110, a plurality of first reinforcing bars 120 and first concrete 130's structural style, and inject anchor rope bundle 420 and run through first step through-hole 131, bottom plate 410 and first step through-hole 131 looks joint, so that anchor block 100's simple structure, and the relative fastening unit 400's of anchor block 100 cover of being convenient for is established, and first reinforcing bar 120 and soil 20 can be kept apart to plastic sleeve 110, so as to avoid the first reinforcing bar 120 of the corruption of the moisture in the soil 20, avoid influencing barb anchor 10's performance and causing soil 20 to pollute because of the corruption of first reinforcing bar 120, and then with the improvement anticorrosive effect, so that barb anchor 10's feature of environmental protection is better. In a specific arrangement, the first concrete 130 has a designation not smaller than C35, the first concrete 130 can be filled in the plastic sleeve 110, or a part of the first concrete 130 can be arranged in the plastic sleeve 110, and the specific designation and dosage of the first concrete 130 are determined according to the specific condition of the barbed anchor 10; the plastic sleeve 110 may be a cavity structure with openings at both ends, and both sides of the cavity structure are provided with slots for accommodating the first steel bars 120; the plastic sleeve 110 is made of a plastic material, and the specific material can be engineering plastic with characteristics of strong wear resistance, high strength, stable chemical property, strong aging resistance and the like, such as various large-caliber plastic pipes of PP (high polymer polypropylene), PE (polyethylene), PVC (polyvinyl chloride), ABS (acrylonitrile-butadiene-styrene) and the like, and can also be common plastic which is formed in one step by drawing or injection molding, so that the cost is reduced.

To avoid damage to anchor 100 caused by deflection of first rebar 120, anchor 100 further includes a fastening ring 140, as shown in fig. 1 and 3, and more particularly, fastening ring 140 is disposed within plastic sleeve 110, and fastening ring 140 is located outside of the plurality of first rebars 120. Of course, the structure for preventing the first reinforcing bar 120 from being damaged by the anchor 100 when deflected is not limited to the fastening ring 140, and may be other structure satisfying the requirement.

The barb anchor 10 has the fastening and expansion-preventing effects by arranging the fastening ring 140 inside the plastic sleeve 110 and limiting the fastening ring 140 to be located outside the first reinforcing bars 120, so as to prevent the first reinforcing bars 120 from jumping out of the plastic sleeve 110 when deflecting, prevent the anchor block 100 from being damaged, and improve the structural stability. When specifically setting up, the number of tighrening ring 140 can be one, two or more, and a plurality of tighrening rings 140 evenly set up in the inside of plastic sleeve 110, and tighrening ring 140 can be seamless steel pipe, welded pipe or other tubular metal products, and the structural style of tighrening ring 140 is not limited to this, still can be other structural styles that can satisfy the requirement, and concrete number, material and the structural style of tighrening ring 140 can be confirmed according to the actual conditions of barb anchor 10.

The structure of the expansion body 210 is various, as shown in fig. 1 and fig. 3, specifically, the expansion body 210 includes a sleeve 212, a second concrete 213, wherein:

the sleeve 212 is sleeved outside one end of the at least one first steel bar 120 extending out of the plastic sleeve 110; in a specific arrangement, the sleeve 212 may be a cavity structure with one open end, and the end of the cavity structure opposite to the open end may have a first inclined surface 211 parallel to a second inclined surface 310 of the expansion bolt 300, and the sleeve 212 may also be a hollow tubular structure with two open ends;

a second concrete 213 is poured inside the casing 212; in a particular arrangement, the second concrete 213 is not less than C35, the second concrete 213 may be filled within the plastic sleeve 110, or may be partially disposed within the plastic sleeve 110, and the particular reference number and amount of the second concrete 213 is determined by the particular condition of the barbed anchor 10.

In the barb anchor 10, the expansion body 210 is arranged to be sleeved on the sleeve 212 which is arranged outside one end of the at least one first steel bar 120 extending out of the plastic sleeve 110, and the second concrete 213 is poured into the sleeve 212, so that when the barb body 200 and the expansion bolt 300 are contacted and generate outward extrusion force, one end of the first steel bar 120 extending out of the plastic sleeve 110 drives the second concrete 213 and the sleeve 212 to expand outwards in the soil 20, the structure is simple, and the occurrence of bending of the expansion body 210 when expanding outwards can be reduced. In a specific arrangement, the plastic sleeve 110 may be a cavity structure with openings at two ends, and two sides of the cavity structure are provided with slots for accommodating the first steel bars 120; the sleeve 212 may be made of a plastic material, and the specific material may be engineering plastic with characteristics of strong wear resistance, high strength, stable chemical properties, strong aging resistance, and the like, such as various large-caliber plastic pipes of PP (high polymer polypropylene), PE (polyethylene), PVC (polyvinyl chloride), ABS (acrylonitrile-butadiene-styrene), and the like, or may be common plastic formed in one step by drawing or injection molding, so as to reduce the cost.

The sleeve 212 is not limited to the above materials, and more specifically, as shown in fig. 4, 5 and 6, the sleeve 212 may be a rectangular steel pipe, a triangular steel pipe or an angle steel assembly, but the structural form of the sleeve 212 is not limited thereto, and may be other structural forms that can meet the requirements.

According to the barb anchor 10, the sleeve 212 is limited to be a rectangular steel pipe, a triangular steel pipe or an angle steel combination, so that the expansion body 210 is prepared through a simple structure, the structural strength of the expansion body 210 is high, and the bending risk is reduced. In a specific arrangement, the sleeve 212 may be made of stainless steel, galvanized steel, steel pipe, but is not limited thereto, and the sleeve 212 may be made of rectangular steel pipe, triangular steel pipe, but is not limited thereto, and it should be noted that the structural form for improving the structural strength is not limited to the sleeve 212, and the structural form for improving the structural strength may also be an assembly of bending-resistant support angle steel, the structural shape of the angle steel is not limited to a square, and may also be an i-shaped structure, an H-shaped structure, and the structural form for improving the structural strength may also be an assembly of bending-resistant support angle steel, a splice of steel plates, a tendon, and the like.

To improve environmental protection, more specifically, as shown in fig. 1, 4, 5 and 6, the outer side of the sleeve 212 facing away from the first rebar 120 is coated with a polymeric corrosion protection layer 214.

Above-mentioned barb anchor 10, the outside coating that deviates from first reinforcing bar 120 through injecing sleeve pipe 212 has polymer anticorrosive coating 214, and polymer anticorrosive coating 214 can keep apart sleeve pipe 212 and soil 20 to avoid the water vapor corrosion sleeve pipe 212 in the soil 20, avoid influencing the performance of barb anchor 10 and causing soil 20 to pollute because of the corruption of sleeve pipe 212, and then in order to improve anticorrosive effect, thereby make barb anchor 10's feature of environmental protection better.

In order to further improve the environmental performance, as shown in fig. 1, specifically, the expansion body 210 further includes an antiseptic hose 215, the antiseptic hose 215 is sleeved outside the first steel bar 120, one end of the antiseptic hose 215 is fixed in the first concrete 130, and the other end of the antiseptic hose 215 is fixed in the second concrete 213. In a specific arrangement, the material of the anti-corrosion hose 215 may be stainless steel, rubber, or plastic, and is not limited to the above materials, and may also be other materials that can meet the requirements of anti-corrosion and flexibility; the anti-corrosion hose 215 can be tightly sleeved outside the steel bars, at this time, one end of the anti-corrosion hose 215 can be fixed in the first concrete 130, the other end of the anti-corrosion hose 215 can be flush with the end surface of the second concrete 213 close to the first steel bar 120, or one end of the anti-corrosion hose 215 can be flush with the end surface of the first concrete 130 close to the first steel bar 120, the other end of the anti-corrosion hose 215 can be fixed in the second concrete 213, or one end of the anti-corrosion hose 215 is fixed in the first concrete 130, and the other end of the anti-corrosion hose 215 is fixed in the second concrete 213.

The barb anchor 10, the corrosion prevention hose 215 can be flexibly deformed, and when the first reinforcing bar 120 deflects, the corrosion prevention hose 215 can deflect together with the first reinforcing bar 120; first reinforcing bar 120 passes through first concrete 130 to be fixed in plastic sleeve 110, first reinforcing bar 120 passes through second concrete 213 to be fixed in sleeve 212, through set up anticorrosive hose 215 in the outside of first reinforcing bar 120, and the one end of injecing anticorrosive hose 215 is fixed in first concrete 130, the other end of anticorrosive hose 215 is fixed in second concrete 213, so that the part that first reinforcing bar 120 exposes outside plastic sleeve 110 and sleeve 212 is protected, isolate first reinforcing bar 120 and soil 20 through anticorrosive hose 215, so as to avoid the interior steam of soil 20 to corrode first reinforcing bar 120, avoid influencing the performance of barb anchor 10 and causing soil 20 to pollute because of the corruption of first reinforcing bar 120, and then in order to improve anticorrosive effect, thereby make the feature of environment protection of barb anchor 10 better.

As shown in fig. 4, 5 and 6, the spike body 200 may have a cross-sectional shape parallel to the anchor 100, which is a quadrangle, a hexagon or an octagon, a plurality of expansion bodies 210 are distributed along the sides of the quadrangle, the hexagon or the octagon, and the plurality of expansion bodies 210 are disposed around the fastening unit 400, and the adjacent expansion bodies 210 are spaced apart from each other, although the structural form of the spike body 200 is not limited thereto, and may be other structural forms that can meet the requirements.

The barb anchor 10 is characterized in that the barb body 200 is arranged to be quadrilateral, hexagonal or octagonal along the cross section parallel to the direction of the anchor seat 100, the side length distribution of the expansion bodies 210 along the quadrilateral, hexagonal or octagonal is limited at the same time, and the expansion bodies 210 are arranged around the fastening unit 400, so that the barb body 200 is simple in structure, the expansion bodies 210 are uniformly arranged, the force of the barb body 200 is uniform, and the barb body 200 is arranged at intervals between the adjacent expansion bodies 210 by limiting, so that the barb body 200 is opened conveniently. In a specific arrangement, the cross-sectional shape of the thorn 200 along a direction parallel to the anchor 100 may be a quadrangle, a hexagon, or an octagon, or may be other shapes, the plurality of expansion bodies 210 are distributed along the side length of the quadrangle, the hexagon, or the octagon, and one, two, or more than two first steel bars 120 are provided in each expansion body 210.

The structural form of the expansion bolt 300 has various forms, as shown in fig. 1 and 7, in a preferred embodiment, the expansion bolt 300 includes a plurality of second reinforcing bars 320, third reinforcing bars 330, and third concrete 340, the third reinforcing bars 330 are disposed around the second reinforcing bars 320, the third concrete 340 is poured on the outer sides of the second reinforcing bars 320 and the third reinforcing bars 330, and second through holes 341 for the fastening units 400 to pass through are formed inside the third concrete 340.

The barb anchor 10 is configured such that the expansion-compression bolt 300 is formed of a plurality of second reinforcing bars 320, third reinforcing bars 330, and third concrete 340, so as to achieve the expansion-compression effect by a simple structure, and of course, the expansion-compression bolt 300 is not limited thereto, and may be formed of other structures that can satisfy the requirements. In specific arrangement, the number of the third concrete 340 is not less than C35, the projection of the third concrete 340 on the expansion body 210 opposite to the third concrete 340 completely covers the first surface, the projection of the third concrete 340 on the expansion body 210 opposite to the third concrete 340 exceeds the first surface, the specific number and the dosage of the third concrete 340 are determined according to the specific situation of the barbed anchor 10, the number of the second steel bars 320 may be two, three or more, the number of the third steel bars 330 may be one, two, three or more, and the plurality of the third steel bars 330 are uniformly arranged outside the second steel bars 320.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a barb anchor, its characterized in that includes the anchorage, the thorn body, expands and presses bolt and fastening unit, the anchorage the thorn body the expansion is pressed the bolt and is located in proper order the fastening unit, wherein:

the anchor seat is abutted with the surface opposite to the fastening unit;

2. The barbed anchor according to claim 1, wherein the tightening unit comprises a base plate, an anchor cable bundle with at least one anchor cable, and a tightening bolt, wherein:

3. The barbed anchor according to claim 2, wherein the anchor base comprises a plastic sleeve, a plurality of first reinforcing bars, and a first concrete, wherein:

4. The barbed anchor according to claim 3, wherein the anchor base further comprises a tightening ring disposed within the plastic sleeve and located outside the plurality of first reinforcing bars.

5. The barbed anchor according to claim 3, wherein the expansion body comprises a sleeve, a second concrete, wherein:

the second concrete is poured into the casing.

6. The barbed anchor according to claim 5, wherein the sleeve is a rectangular steel tube, a triangular steel tube, or a combination of angle steels.

7. The barbed anchor according to claim 6, wherein an outer side of the sleeve facing away from the first reinforcing bar is coated with a polymeric corrosion protection layer.

8. The barbed anchor according to claim 5, wherein the expansion body further comprises a corrosion resistant hose, the corrosion resistant hose is sleeved outside the first steel bar, and one end of the corrosion resistant hose is fixed in the first concrete and the other end of the corrosion resistant hose is fixed in the second concrete.

9. The barbed anchor according to claim 1, wherein the barbed body has a cross-sectional shape in a direction parallel to the anchor seat that is a quadrangle, a hexagon, or an octagon, and a plurality of expansion bodies are distributed along a side length of the quadrangle, the hexagon, or the octagon and are disposed around the fastening unit with spaces between adjacent expansion bodies.

10. The barbed anchor according to claim 1, wherein the expansion-compression bolt comprises a plurality of second reinforcing bars, third reinforcing bars disposed around the second reinforcing bars, and third concrete poured outside the second reinforcing bars and the third reinforcing bars and formed with second through-holes for the fastening units to pass through.